/Engine/Source/Runtime/Engine/Public/WorldPartition/WorldPartitionLevelHelper.h
Moves external actors into the given level
static void MoveExternalActorsToLevel ( const [TArray](API\Runtime\Core\Containers\TArray)< [FWorldPartitionRuntimeCellObjectMapping](API\Runtime\Engine\WorldPartition\FWorldPartitionRuntimeCellObject-) > & InChildPackages, [ULevel](API\Runtime\Engine\Engine\ULevel) * InLevel, [TArray](API\Runtime\Core\Containers\TArray)< [UPackage](API\Runtime\CoreUObject\UObject\UPackage) * > & OutModifiedPackages )